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331551-002  

 

– 3 – 

I) INTRODUCTION

Thank you for purchasing a John Wood Oil Fired Water 
Heater.

 Properly installed and maintained, it will provide years 

of trouble free service.
This Oil Fired Water Heater is suitable for potable water 
heating and space-heating applications but not for space 
heating only applications. It is your responsibility to ensure 
that the correct size of your water heater was determined by 
calculations that included consideration of heat loss.

 Consumer Responsibilities

This manual has been prepared to acquaint you with the 
installation, operation and maintenance of your oil fired water 
heater and provide important safety information in these 
areas. It is your responsibility to ensure that your water heater 
is properly installed and cared for.
FAILURE TO FOLLOW THE INSTRUCTIONS IN THIS 
MANUAL MAY RESULT IN SERIOUS BODILY INJURY 
AND/OR PROPERTY DAMAGE. THOROUGHLY READ 
AND UNDERSTAND ALL INSTRUCTIONS BEFORE YOU 
ATTEMPT TO INSTALL, OPERATE OR MAINTAIN THIS 
HEATER.
Installation and service requires trade knowledge in the areas 
of plumbing, electricity, venting, air supply and oil supply. If 
you lack these skills or have difficulty understanding these 

instructions, you should not proceed. Enlist the help of a 
qualified service technician to install this water heater.

Examples of qualified service technicians include those 
trained in the plumbing and heating industry, local oil supply 
personnel or an authorized service person.

The manufacturer and seller of this water heater will not 
assume any liability for any property damage, personal injury 
or death resulting from improper sizing, installation or failure 
to comply with these instructions.

The warranty on this water heater is in effect only when the 
water heater is installed and operated in accordance with 
these instructions. An identifying data plate can be found at 
the front of your water heater. When referring to your water 
heater, always have the information listed on the data plate 
readily available.

Protect your warranty: Regularly service your water heater as 
directed in the "Maintenance" section of this manual.
Retain your original receipt as proof of purchase.

Do not discard this manual. You or future users of this water 
heater will need it for reference.

Your safety and the safety of others is extremely important in the installation, use and servicing of this water heater.
Many safety-related messages and instructions have been provided in this manual and on your own water heater to warn you and 
others of a potential injury hazard. Read and obey all safety messages and instructions throughout this manual. It is very important 
that the meaning of each safety message is understood by you and others who install, use or service this water heater.

This is the safety alert symbol. It is used to alert you 
to potential personal injury hazards. Obey all safety 
messages that follow this symbol to avoid possible 
injury or death.

CAUTION used without the safety alert 
symbol indicates a potentially hazardous 
situation which, if not avoided, could 
result in property damage

CAUTION indicates a potentially 
hazardous situation which, if not avoided, 
could result in minor or moderate injury.

WARNING indicates a potentially 
hazardous situation which, if not avoided, 
could result in death or injury.

DANGER indicates an imminently 
hazardous situation which, if not avoided, 
will result in death or injury.

CAUTION

 WARNING

 CAUTION

 DANGER

All safety messages will generally tell you about the type of hazard, what can happen if you do not follow the safety message 
and how to avoid the risk of injury.
The California Safe Drinking Water and Toxic Enforcement Act requires the Governor of California to publish a list of substances 
known to the State of California to cause cancer, birth defects or other reproductive harm and requires businesses to warn of 
potential exposure to such substances.
This product contains a chemical known to the State of California to cause cancer, birth defects or other reproductive harm. 
This appliance can cause low level exposure to some of the substances listed in the Act.

This product is certified to comply with a maximum weighted average of 0.25% lead content as required in some areas.

Summary of Contents for JW F657

Page 1: ...ath or serious injury Instruction manual must remain with water heater WARNING Improper installation adjustment altera tion service or maintenance can cause injury or property damage Refer to this manual For assistance or additional information consult a qualified Oil Burner Technician or your oil supplier Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this o...

Page 2: ...hermal Expansion Temperature And Pressure T P Relief Valve The Temperature And Pressure Relief Valve The Discharge Line Driptube Temperature Pressure Relief Valve And Pipe Insulation Vacuum Relief Valves Installation Of The Aquastat Temperature Control Electrical Supply 18 Filling The Water Heater Installation Checklist 19 IV Operation 19 Startup 19 Water Temperature Regulation 20 Water Heater Ope...

Page 3: ...ur warranty Regularly service your water heater as directed in the Maintenance section of this manual Retain your original receipt as proof of purchase Do not discard this manual You or future users of this water heater will need it for reference Your safety and the safety of others is extremely important in the installation use and servicing of this water heater Many safety related messages and i...

Page 4: ...ACHUSETTS INSTALLATION REQUIREMENTS 1 CONNECT ELECTRONICALLY CONTROLLED TIMER TO AN ALL BRONZE PUMP PUMP MUST ACTIVATE EVERY 6 HOURS FOR 60 SECONDS TURN PUMP TIMER OFF BEFORE CLOSING PIPING LOOP SHUT OFF VALVE 2 ALL WATER PIPING MUST BE INSTALLED AND INSULATED IN ACCORDANCE WITH MASSACHUSETTS CODE 248 CMR 780 CMR 3 PIPING LOOP BETWEEN WATER HEATER AND AIR HANDLER MUST BE INSTALLED IN COMPLIANCE WI...

Page 5: ...r heater or air intake Due to the nature of air movement flammable vapors can be carried some distance from the point of storage A water heater igniter or burner flame can ignite these vapors causing a flashback fire or explosion which may result in severe property damage serious personal injury or death If flammable liquids or vapors have spilled or leaked in the area of the water heater leave th...

Page 6: ... inspected and approved by a qualified service technician THESE CONDITIONS CAN RESULT IN UNSEEN INTERNAL DAMAGE and are not subject to warranty coverage Flammable hydrogen gases may be present Keep all ignition sources away from faucet when turning on hot water Explosion Hazard WARNING Caution Hydrogen gas can be produced in a hot water system served by this heater that has not been used for a lon...

Page 7: ... any of its components DO NOTASSEMBLE OR INSTALLIT OR MAKE ANY ATTEMPT TO FIX THE DAMAGED PART S Contact the place of purchase for further instructions After installation dispose of packaging material in the proper manner Location Requirements The water heater must be installed indoors in an area not subject to freezing temperatures and in a vertical position on a level surface Water heaters locat...

Page 8: ...nd Accessibility The minimum clearances between the heater and combustible materials are listed in Figure 1 Note These requirements are also listed on the data plate located on the front of the water heater A minimum of 24 in of front clearance and 4 in on each side should be provided for inspection and service For continued protection against risk of fire Do not install water heater on combustibl...

Page 9: ...lable in 3 lengths 5 63320 10 63321 or 20 63322 Refer to additional Installation Instructions for Through the wall Venting Components that is supplied with the JW6 F307V Model Diam Flue location Flue size Clearance Center Rear Front Rear Sides Top Flue in in in in in in in JW6 F307 20 X 6 24 2 2 18 9 JW6 F507 22 X JW F657 26 X 16 6 JW6 F307V 20 X 18 JW6 317RF 24 X 6 6 14 18 JW6 517RF 28 X 7 JW717 ...

Page 10: ... 8 52 3 16 F in 44 3 16 51 1 2 59 1 2 44 3 16 G in 51 3 4 59 3 4 69 3 4 51 3 4 H in 6 6 6 6 Figure 2 Installation Dimensions Center Flue Models A B C D E F G H Model JW717 JW6 317RF JW6 517RF Diam in 32 24 28 A in 9 9 8 3 4 B in 19 1 2 20 20 C in 53 1 2 49 3 4 51 1 8 D in 61 5 8 58 3 4 59 E in 58 1 2 60 3 4 63 1 4 F in 32 1 2 23 1 3 23 G in 58 1 2 48 7 8 54 H in 7 6 7 Figure 3 Installation Dimensi...

Page 11: ...utside of the enclosure Lack of adequate fresh air supply may cause a poor flame Important Air for combustion and ventilation must not come from a corrosive atmosphere Any failure due to corrosive elements in the atmosphere is excluded from warranty coverage The following types of installation not limited to the following will require outdoor air for combustion due to chemical exposure and may red...

Page 12: ...e the necessary amount of fresh air to the water heater and other combustion equipment in the area If you are unsure that the structure meets this requirement contact your local fuel supplier or other qualified agency for a safety inspection When indoor air is used small enclosures and confined areas must have two permanent openings so that sufficient fresh air can be drawn from outside of the enc...

Page 13: ...tem to remove exhaust gases created by the burning of fossil fuels Air for combustion is taken from the immediate water heater location or is ducted in from the outside see Air Requirements and Vent and Exhaust Connections This water heater must be properly vented for the removal of exhaust gases to the outside atmosphere Correct installation of the vent pipe system is mandatory for the proper and...

Page 14: ...be equipped with an approved draft regulator of adequate size Ensure the draft regulator diameter is at least as large as the flue pipe diameter Follow manufacturers recommended instructions for installation It must be installed in the flue pipe before it enters the chimney and after the Blocked Vent Safety Switch Set the draft regulator at 0 03 in w c 7 46Pa as measured in the flue between the he...

Page 15: ...ed according to the applicable installation drawing Figure 9 and Figure 10 A pressure reducing valve and or an expansion tank may be required for installations where the water pressure is high The pressure reducing valve should be located on the supply to the entire house in order to maintain equal hot and cold water pressure Important Do not apply heat to the water fittings on the heater as they ...

Page 16: ...be connected to any existing heating system or component s previously used with a non potable water heating appliance All models are suitable for combination potable water and space heating applications COLD WATER SHUT OFF AQUASTAT TEMPERATURE CONTROL LOCATION T P VALVE COLD INLET AND DRAIN VALVE COMBINATION HOT WATER OUTLET 6 CENTER OF BLAST TUBE NON COMBUSTIBLE FLOOR Figure 10 Plumbing Connectio...

Page 17: ... not plug or remove the temperature and pressure relief valve Temperature And Pressure T P Relief Valve Temperature pressure relief valve must comply with ANSI Z21 22 CSA4 4 and ASME code Properly sized temperature pressure relief valve must be installed in opening provided Do not plug block or cap the discharge line Failure to follow this warning can result in excessive tank pressure serious inju...

Page 18: ...ation and tape must not block the discharge opening or hinder access to the manual relief lever Figure 12 Ensure a discharge pipe is installed into the T P valve discharge opening per the instructions in this manual Vacuum Relief Valves A vacuum relief valve installed in the cold water supply line above the top of the water heater shall protect the water heater against siphoning loss of water due ...

Page 19: ...construction as per specifications Is the water piping correctly connected Are you certain that there are no leaks Is the water heater filled with water Is the cold water supply valve open Is the flue pipe installed properly and are the vertical and horizontal runs properly supported Is the draft regulator intake opening unobstructed Is the T P valve installed Are the drain pipe if installed and T...

Page 20: ...n Water temperature over 125 F can cause severe burns instantly resulting in severe injury or death Children the elderly and the disabled and are at highest risk of scald injury Feel water before bathing or showering Temperature limiting devices such as mixing valves must be installed when required by codes and to ensure safe temperatures at fixtures BURN HOT HOT DANGER Once installed the operatio...

Page 21: ... be ordered if water odor or discoloration occurs This rod may reduce if not eliminate water odor problems The water supply system may require special filtration equipment from water conditioning company to successfully eliminate all water odor problems Artificially softened water is exceedingly corrosive because the process substitutes sodium ions for magnesium and calcium ions The use of a water...

Page 22: ...il supply to the water heater 3 Close the cold water inlet valve 4 Open a nearby hot water faucet 5 Connect a hose to the drain valve and terminate it to an adequate drain Caution The water being drained can be extremely hot The drain hose should be rated for at least 200 F If the drain hose does not have this rating open the cold water supply valve until the water flow is no longer hot Close the ...

Page 23: ...teel core exposed the anode s should be replaced EXPOSED SUPPORT WIRE EXPOSED SUPPORT WIRE PITTED ANODE ROD Figure 16 Anode Rod 9 Apply Teflon tape or sealing compounds approved for use with potable water to the threads of the anode s and install into the tank top 10 Open the cold water supply valve and open a nearby hot water faucet to purge air from the water tank as directed in Filling The Wate...

Page 24: ...s no water in it Re Starting The Heater After Shut Down Flammable hydrogen gases may be present Keep all ignition sources away from faucet when turning on hot water Explosion Hazard WARNING Caution Hydrogen gas can be produced in a hot water system served by this heater that has not been used for a long period of time generally two 2 weeks or more Hydrogen gas is extremely flammable and can ignite...

Page 25: ...F280 National Provincial Building Codes CSA C22 1 ANSI NFPA 70 CSA B51 and or codes having jurisdiction 5 The air handler fan coil and or the circulating pump in a baseboard hydronic loop will require a dedicated 120V circuit This must be provided and identified for this purpose 6 All piping between the water heater and the air handler or hydronic baseboard loop must be adequately insulated to red...

Page 26: ...ULATOR HYDRONIC BASEBOARDS SERIES CONNECTED SHOWN HOT WATER TO HOUSE FIXTURE C H M Figure 20 Combo Heating Baseboard WATER HEATER 8 in TO 12 in HOT OUTLET EXPANSION TANK OPTIONAL MIXING VALVE COLD INLET CHECK VALVE IF USED REQUIRES EXPANSION TANK COLD SUPPLY HOSE BIB OPTIONAL FLOW CONTROL SUPPLY RETURN CHECK VALVE EXTERNAL CIRCULATOR HYDRONIC IN FLOOR LOOP HOT WATER TO HOUSE FIXTURE C H M Figure 2...

Page 27: ...FG 0 75 CARLIN EZ 1 0 75 RIELLO 0 65 JW F657 BECKETT AFG 1 0 1 25 CARLIN EZ 1 1 0 1 25 RIELLO 0 85 1 0 Contact your RIELLO dealer for burner specifications Table 5 Listing Of Oil Burners INSTALLATION RECORD Record key data here for future reference and prompt service Installed By Purchased From Installation Date Location of Electrical Switch or Circuit Protector Model Number Serial Number SERVICE ...

Page 28: ...500 Tennessee Waltz Parkway Ashland City TN 37015 Phone 800 433 2545 Fax 800 644 9306 www johnwoodwaterheaters com ...

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